Philips-MCD-785-Service-Manual电路原理图.pdf

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1、Published by SW-KM 1212 AVM Printed in the NetherlandsMCD785/51Subject to modi cation ENMicro Audio SystemContents Page Contents PageCopyright 2012 Philips Consumer Electronics B.V. Eindhoven, The Netherlands.All rights reserved. No part of this publication may be reproduced, stored in a retrieval s

2、ystem or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips.Version 1.01 Technical Specification and Connection Facilities2 Laser Beam Safety Precautions. 2-13 Important Safety Precautions . 3-1 to 3-24 Safety Check Af

3、ter Servicing . 4-16 Standard Notes For Servicing,Lead Free RequirementsLocation of PC BoardsVersion VariationsType /Versions:FeaturesBoard in used:MCD785Service policy* TIPS : C - Component Lever Repair.M - Module Lever Repair- Used/51/51/58/58/61/61/79/79/93/93/94/94/96/96/98/98/37/37/12/10CCCCCM/

4、12/10/05/05Feature diffrenceRDSAMP BoardDecoder BoardPower BoardUSB BoardHeadphone BoardDTSVOLTAGE SELECTORECO STANDBY - DARKType /VersionsMCD785Technical Specification and Connection Facilities 1-1Display BoardPower BoardHeadphone BoardUSB BoardDecoder BoardAMP BoardDisplay BoardDVD Loader1-2Techni

5、cal Specification and Connection Facilities2. General Information and Requirement 2.1 Product Family Features 2.1.1 Identity and Key Features MCD785 is a Micro DVD Audio System support external iPod docking station, CD/DVD player with USB and Tuner FM. It is Philips Heritage Range Series AVM product

6、. Elements to include as generic requirements: 1. Detachable mains cord 2. Safety certification (CCC) Following is a list of key features: 1. CD/DVD/MP3 disc player (MTK 1389G) 2. USB true source a) MSC 2.1.2 Styling, Forms and Functions MCD780 can be placed on a tabletop which should have a form fa

7、ctor and footprint that can be easily be located in a 2ndroom such as in the bedroom or small study room. 2.1.3 External I/O Connections 587DCM ledoMStroke Version 51 Europe noigeRiPod dock with Authentication chip NA USB Port MP3 Link Port (3.5mm audio jack) Aux In Port (RCA cinch) Tuner Socket (fo

8、r FM) HDMI output port SPDIF/Coaxial Port AV Port (R/L/CVBS) RCAx3 Video Port (Y/U/V) RCAx3 NA Technical Specification and Connection Facilities1-3S-Video port NA Headphone Port (3.5mm audio jack) M-Boy port(3.5mm headphone jact) NA 2.1.4 ACCESSORIES 857DCM ledoMStroke Version /51 Region Europe Powe

9、r Cord 1.8M AV cable(Y color) 1.5M Audio cable (3.5mm audio) 0.5M Tuner Antenna 1.5M pigtail Speaker cable 3M USB cable NA Remote Control 40keys Battery 2xAAA 2.1.5 Controls, Local Display and LED Indications Control keys on the set are: 1. Standby-On 2. Eject 3. Play/Pause 4. Next 5. Pre 6. Source

10、(Disc, USB, Dock, FM, Aux, MP3) 7. Stop 8. Volume Knob There is local display VFD. 3 dim level. There are only LEDs for indications. Standby LED colour: Red in Standby mode, and Two Blue LED for . 2.2 Mechanical General Information The product appearances and functions are defined in their respectiv

11、e MUS. Product management approves the MUS and it is a leading document where product appearance is applicable. Please refer to Sh560 for mechanical information. Technical Specification and Connection Facilities1-42.3 Safety Standards Where applicable: For /12 (EU), /05 (UK), /51 (Russia) EN/IEC 600

12、65 7thEdition For /37 (US, Canada) UL 60065 For /55 (LATAM), /78 (Brazil) IEC 60065 7thEdition For /98 (AP), /69 (Singapore), /75 (Australia) IEC 60065 7thEdition For /93 (China) GB 8898 (IEC 60065 7thEdition) For /61 (Korea) K 60065 6thEdition For /96 (Taiwan) CNS 14408 (IEC 60065 7thEdition) 2.4 E

13、MC Requirements Where applicable: For /12 (EU), /05 (UK), /51 (Russia) EN55013: 2001, EN55020: 2002 For /37 (US, Canada) FCC15 For /55 (LATAM), /78 (Brazil) CISPR13 For /98 (AP), /69 (Singapore), /75 (Australia) CISPR13 For /61 (Korea) CISPR13/20 For /93 (China) GB 13837 (CISPR13) For /96 (Taiwan) C

14、NS 13439 (CISPR13) 2.5 ESD Requirements The product shall withstand electro static discharges on all user accessible parts of the product. Reference: IEC61000-4-2. For contact discharges: Level General (kV) USA (kV) Requirement 1 0-2 0-3 No deviations allowed. 2 2-4 3-4 Short perceptible deviations

15、allowed. 3 8 8 Components damage not allowed. For air discharge: Level General (kV) USA (kV) Requirement 1 0-4 0-6 No deviations allowed. 2 4-8 6-8 Short perceptible deviations allowed. 3 8 15-18 Components damage not allowed. General requirement: 1. 10 arcs for positive and negative polarity for un

16、it “on” and “off” for 1kV incremental steps. 2. Component or mechanical damage is not allowed. No loss of fixed stored data (stored in EEPROMs). 3. Hang-ups and malfunctions are allowed, as long as the customer can “recover” from the hang-up by pressing the Standby or ON/OFF button of the set. 4. Fa

17、ilures that disappear only by unplugging the AC mains cord and/or power sources are not acceptable. Technical Specification and Connection Facilities1-52.6 Environmental Condition The environmental condition requirements and test method is according to UAN-D1590. Ambient temperature : max. 40 C - al

18、l climates Apparatus acc. to spec. : +5 to + 35 C Vibration test (acc. IEC 60 068/2/6) : operational vibration test to be proceeded in operating position of the set. 2.7 Quality PQR-class: class according to BLC A&MA PQR handbook V2.1 (2006-10-02) Lifetime: 7 years Tested According to: General Test

19、Instruction UAN-D 1591 Measured According to: UAN_L 1059 unless otherwise stated 3. Technical Specifications 3.1Power Supply 3.1.1 Type and versions Build-inSMPS will be used for all models and stroke versions. All using figure 8 socket, will cater for all versions: Versions Region/Country SMPS Deta

20、chable mains cords /51 1) 100 240Vac nom. (wide range from 90V264Vac limit) used in all versions except India. Frequency: 4763Hz. Round 2-pin All requirements per defined for each country should be met with sufficient testing. 3.1.2 Surge Immunity (Lightning Test) The product shall withstand mains i

21、nterferences of: Differential mode: 2kV/2 ohm criteria C for Europe. 6kV/12 ohm criteria C for NAFTA. Parameters: Bi-wave Open circuit voltage: 2/50us Short circuit current: 8/20us From +/1kV to +/-2kV (for Europe) or +/-6kV (for Nafta) in steps of 1kV. 10 shots per combination. One shot per minute.

22、 Serial impedance: 2 Ohm for Europe, 12Ohm for Nafta. Polarity and phase: Positive (phase 90) & Negative (phase 270) Common mode: 6kV/2 ohm criteria C for Europe. 6kV/12 ohm criteria C for Nafta. Parameters: Ring-wave (100kHz) RussiaTechnical Specification and Connection Facilities1-6From +/3kV to +

23、/-6kV in steps of 1 kV. 10 shots per combination. One shot per minute. Serial impedance: 2 Ohm for Europe, 12Ohm for Nafta Polarity and phase: Positive (phase 90) & Negative (phase 270) Reference: IEC61000-4-5 and for USA: 3135 019 8029 Reliability evaluation. Requirements: Apparatus should fulfil t

24、he leakage current requirements of IEC60065 point 9.1.1 (UAN-D1631) Defects or permanent deviations are not allowed. 3.1.3 Mains Drop-out Immunity The product shall withstand mains failures of: Variation 0% (=100% dip) at T-event = 50 mSec. Performance criterion B Variation 40% (=60% dip) at T-event

25、 = 100 mSec. Performance criterion B Variation 0% (=100% dip) at T-event = 5 Sec. Performance criterion C Additional for USA apparatus: See 3135 019 8029 Reliability evaluation. Variation 0% (=100% dip) at T-event = 100 mSec in standby mode. Performance criterion B Requirement: No misoperation and n

26、o interference of user in order to guarantee continuation of performed function. Reference: IEC61000-4-11 For measuring method refer to UAN-D1724, as far as applicable. Performance criterions according to IEC61000-4-4 Amendment 1 Performance Requirement Criterion A - No any degradation of specificat

27、ion. Criterion B - Temporary degradation / self recoverable. Criterion C - No damage, resolvable hang-up. Criterion D - Not recoverable loss of function. 3.1.4 Power Consumption Power consumption at nominal AC input: 1. DVD play mode at 1/8 P-rated output power : 40 W 2. Low Power Standby Mode : W T

28、echnical Specification and Connection Facilities1-73.2 Audio3.2.1 Analog Audio Input/Outputs traP larenreGOutput Stage Protection: NA Temperature : Yes Short Circuit: Yes srotacidnIevitcA yalpsiD kcolC :rotacidnI edoM ybdnatSffO snruT DEL :edoM ybdnatS rewoPElectrical Data :ecnereffiD lennahC AN :CS

29、D 3dB loV( muH AN :BBD min - Volmax-20dB 150nW Wn04 )muminiM emuloV(esioN laudiseR Y :ssaBBd53/Bd04 zHk01/zHk1 :noitarepeS lennahC Y :elberT%8.0 )smr(rewop tuptuo renuT( At Cold Condition with 10% THD )Frequency Response( 3dB) 30Hz - 16KHz ( At Cold Condition with 10% THD )Loudspeaker(Boxes): Separa

30、ble speaker box Refer to package document of Speaker Box Assy Speaker driver Impedance: Right/Left: 6 30 Hz (-3db) 16kHz(-3db) :refoowbuS REMARKS: Electrical Parameters are to be measured at Speaker Terminals across rated impedance Load(6ohm) with Rated Input Signal in CD Mode setting in Bass/Treble

31、 set to 0, Loudness Off and Pre-eq at Flat unless specified otherwise. Technical Specification and Connection Facilities1-83.2.2 Digital Audio Outputs Type Standard CDDA / LPCM (including MPEG1) IEC60958 MPEG2, Dolby Digital (AC-3) IEC61937 DTS, 96kHz 24 bit 3.2.2.1 Coaxial Description Specification

32、 Output signal amplitude 0.5 Vpp 20% Output impedance 75 20% DC output voltage 0.05 V Clock accuracy 100 ppm (typical) 1000 ppm (maximum) Triseand TfallIU 4.0 IU 50.0 rettij cisnirtnI3.3 Video 3.3.1 Video Performance 3.3.1.1 CVBS Description Test Signal Specification NTSC PAL Amplitude output 100% W

33、hite 1Vpp 10% 1Vpp 10% %01 Vm007 %01 Vm417 etihW %001 rab etihW%01 Vm003 %01 Vm682 etihW %001 edutilpmA .cnySBurst Amplitude 75% Color bar 286mV, +1dB / -4dB 300mV, +1dB / -4dB Burst / chroma ratio 100% Color bar 5% 5% S/N luminance 100% White 60 dB 60 dB S/N chroma AMPM100% Red 57 dB 57 dB 60 dB 57

34、 dB Video Bandwidth 0.5MHz 4MHz4.8MHz5.8MHzMulti-burst -1.5dB -5dB+1dB/-1dB -2dB -5dBChroma Subcarrier Frequency 75% Color bar 3.579545 MHz 25ppm 4.433618MHz 30ppm Chroma / luminance delay 2T pulse 20ns 20ns Subcarrier locked/unlocked 75% Color bar locked locked kcalB %0 leveL CD 1V 1V Technical Spe

35、cification and Connection Facilities1-93.3.1.2 Component Video (Y/Pb/Pr) (NA) Description Test Signal Specification Interlace/Progressive NTSC PAL %01 Vm0001 %01 Vm0001 etihW %001 tuptuo edutilpmA%01 Vm007 %01 Vm417 etihW %001 rab etihWPbPr peak to peak 75% Color bar 525mV 10% 535mV 10% PbPr Output

36、unbalance 75% Color bar 3% 3% %01 Vm003 Vm04 Vm682 etihW %001 edutilpmA .cnySS/N on outputs YPb / Pr100% White 75% Color bar 60 dB 60 dB Video Bandwidth 4.2MHz5.8MHzMulti-burst -1.5dB -5dB-1.5dB -5dBVideo Bandwidth (Progressive) 8.4MHz9.6MHzMulti-burst -1.5dB -5dB-1.5dB -5dBkcalB %0 leveL CD 1V 1V 3

37、.4 TUNER FM use Silicon Lab tuner chipset Si4705(w/RDS) GENARAL PART WAVE RANGE VERSION TOLERANCE TUNING GRID FM 87.5 108.00 MHz /05/12 QUARTZ PRECISION 50kHz AERIAL FM : PIGTAIL TYPE ANT WIRE 75 ELECTRICAL DATA tinU timiL moN MF fBd 62 02 tnioP gnitimiL Bd 3 - Search Tuning Sensitivity(at stereo mo

38、de) 35 41 Search time digital tuning system. - 60 S zHM 7.01 FI Bd 15 84 gniteiuQ Bd 64 - oeretS 54 05 muH noitaludoM 54 05 oitaR N/S Bd 4- 0 esreveR noitacifilpmA Distortion ( RF 1mV, Frq Dev.75 kHz ) 2 3 % Overall Frequency Response: 63Hz 12.5KHz - 3 dB Channel separation:400 / 1000 / 5000 Hz. RF

39、input: 68 dBf 26/30/20 20/26/18 dB Frequency (MHz) Noise Limited Sensitivity 26 dB Image RejectionIF Rejection Large Signal Handling Selectivity S9/300 kHz22 0001 46 03 81.moN MF)1*( 81 005 54 52 22.miL 0.8822 0001 46 03 81.moN MF)1*( 81 005 54 52 22.miL 0.8954 fBd 611 06 03 81.moN MF52 fBd 801 56 52 22.miL 0.701Units dBf DB dB mV/m dB Susceptibility to unwanted signals(CPU,SMPS,AMP,DSP ): Limited(dB) Normal (dB) Remark -15dB -20dB Refer to selfpollution curve